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Demonstration of a discharge pumped table-top soft-x-ray laser

We report the first observation of large soft-x-ray amplification ([ital gl]=7.2) in a discharge created plasma. A fast, [similar to]40 kA current pulse from a compact discharge was used to excite plasma columns up to 12 cm in length in 4 mm channels, producing population inversion in the [ital J]=0...

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Bibliographic Details
Published in:Physical review letters 1994-10, Vol.73 (16), p.2192-2195
Main Authors: Rocca, JJ, Shlyaptsev, V, V, Tomasel, FG, Cortázar, OD, Hartshorn, D, Chilla, JL
Format: Article
Language:English
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Summary:We report the first observation of large soft-x-ray amplification ([ital gl]=7.2) in a discharge created plasma. A fast, [similar to]40 kA current pulse from a compact discharge was used to excite plasma columns up to 12 cm in length in 4 mm channels, producing population inversion in the [ital J]=0[minus]1 line of Ne-like Ar and resulting in a gain of 0.6 cm[sup [minus]1] at 46.9 nm. The beam divergence was measured to be [lt]9 mrad.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.73.2192